Calvin

American  

[kal-vin] / ˈkæl vɪn /

noun

1. John Jean Chauvin or Caulvin, 1509–64, French theologian and reformer in Switzerland: leader in the Protestant Reformation.

2. Melvin, 1911–97, U.S. chemist: Nobel Prize 1961.

3. a male given name: from a Latin word meaning “bald.”

---

Calvin British  

/ ˈkælvɪn /

noun

1. John, original name Jean Cauvin, Caulvin, or Chauvin. 1509–64, French theologian: a leader of the Protestant Reformation in France and Switzerland, establishing the first presbyterian government in Geneva. His theological system is described in his Institutes of the Christian Religion (1536)

2. Melvin. 1911–97, US chemist, noted particularly for his research on photosynthesis: Nobel prize for chemistry 1961

---

Calvin Scientific  

/ kăl′vĭn /

1. American chemist who won a Nobel Prize in 1961 for determining the chemical reactions that occur during photosynthesis. This series of reactions is now known as the Calvin cycle.

---

Example Sentences

“When the show launched, we could see the search increase for Calvin Klein, e-commerce traffic, D2C, is positive,” Larsson said, referring to “direct-to-consumer.”

From MarketWatch • Apr. 1, 2026

In the course of his travels, he heard John Calvin speak, had his horoscope read by Nostradamus and witnessed the French dauphin toss a small dog out of a high window.

From The Wall Street Journal • Mar. 26, 2026

The selection process for a new CEO, who would lead Lululemon’s turnaround after Calvin McDonald’s departure, has been the primary focus for many analysts.

From MarketWatch • Mar. 17, 2026

It was an amazing experience, and then I got poached by Calvin Klein, which was a very different experience.

From Los Angeles Times • Mar. 5, 2026

“You stole the Msaidizi, Calvin Blake,” one of them said.

From "The Manifestor Prophecy" by Angie Thomas